Jujube, a li ke jujube plant, turns red when it matures. Often dried in the sun to make dried dates. Its vitamin content is very high, and it has the reputation of "natural vitamin pill", which has the effect of nourishing yin and tonifying yang. Jujube, as a nourishing product, is known as "three dates in a solar eclipse, and it will live forever". It can be used as medicine, and has the effects of nourishing stomach, invigorating spleen, nourishing blood, and strengthening body. Both jujube kernel and root can be used as medicine, and jujube kernel can soothe the nerves, which is one of the important medicines.